CVE-2025-64688VulnerabilityPublished 10 Nov 2025Updated 2 Dec 2025

CVE-2025-64688: JetBrains YouTrack

Affects JetBrains YouTrackSource CVE Database V5

Not known to be exploited · CVSS 7.4 High.

Data as of 9 Dec 2025, 09:29 UTC

CVSS 3.1 base score

7.4High

How severe the flaw is on the 0–10 CVSS scale.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: None
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: Low

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: Low: The attacker is authorized with (i.e., requires) privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges may have the ability to cause an impact only to non-sensitive resources.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Changed: An exploited vulnerability can affect resources beyond the security scope managed by the security authority of the vulnerable component. In this case, the vulnerable component and the impacted component are different and managed by different security authorities.
Confidentiality: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.
Integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on the impacted component.
Availability: Low: Performance is reduced or there are interruptions in resource availability. Even if repeated exploitation of the vulnerability is possible, the attacker does not have the ability to completely deny service to legitimate users. The resources in the impacted component are either partially available all of the time, or fully available only some of the time, but overall there is no direct, serious consequence to the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 10 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

AI-suggested

Organizations should monitor JetBrains advisories closely and apply security patches immediately once available. Until patches are released, restrict network access to YouTrack instances using firewalls and VPNs to limit exposure to trusted users only. Implement strict access controls and review user privileges to minimize the risk posed by low-privilege attackers. Enable detailed logging and monitor for unusual activities such as unexpected API calls or privilege escalations. Conduct regular security assessments and penetration testing focused on YouTrack deployments. Consider network segmentation to isolate YouTrack servers from critical infrastructure. Educate administrators about the vulnerability and ensure incident response plans include scenarios involving YouTrack compromise. If possible, deploy Web Application Firewalls (WAFs) with custom rules to detect and block suspicious requests targeting YouTrack.

Impact

For European organizations, the vulnerability poses risks to the confidentiality of project data, integrity of issue tracking records, and availability of the YouTrack service. Organizations in software development, IT services, and sectors relying on agile project management tools may experience operational disruptions and potential data breaches. The impact is heightened in regulated industries such as finance, healthcare, and critical infrastructure, where data integrity and availability are paramount. Unauthorized access or modification of project data could lead to intellectual property theft, compliance violations, and loss of stakeholder trust. Service disruptions could delay project timelines and affect business continuity. Since YouTrack is often integrated with other development tools, the vulnerability could serve as a pivot point for broader network compromise if exploited.

Summary

CVE-2025-64688 is a vulnerability identified in JetBrains YouTrack, a widely used issue tracking and project management software. The vulnerability is characterized by a network attack vector (AV:N), low attack complexity (AC:L), and requires low privileges (PR:L) but no user interaction (UI:N). The scope is changed (S:C), indicating that the vulnerability allows an attacker to affect resources beyond their initial privileges or component boundaries. The impact affects confidentiality, integrity, and availability to a low degree each (C:L/I:L/A:L), suggesting that an attacker can gain unauthorized access to some data, modify information, and cause service disruptions, but not total compromise. No specific affected versions or patches are listed yet, and no known exploits are reported in the wild, indicating this is a recently published vulnerability. The lack of detailed technical information limits precise attack methods, but the CVSS vector implies a remote attacker with some level of access can exploit the flaw without needing victims to perform any action. This could involve unauthorized API calls, privilege escalation within the application, or bypassing access controls. Given YouTrack's role in managing sensitive project data and workflows, exploitation could lead to data leakage, unauthorized changes to project issues, or denial of service, impacting organizational operations.

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AI analysisMachine-generated, updated 2 Dec 2025, 14:22 UTC

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